Regarding select query

Hi,

There are two tables PRPS & VBAP

I am going to link this both table by.

PRPS-POSID = VBAP-PS_PSP_PNR.

The Data type of both the fields are different

POSID data Type is CHar24

PS_PSP_PNR data type is NUMC 8

selecting from vbap

for all entries of prps

where ps_psp_pnr = posid.

gives an error .

becouse of different data elements.

what should i do to run this query?.